Contents   Fixed field   0xx   1xx   2xx   3xx   4xx   5xx   6xx   7xx   8xx   9xx

380  Form of Work (R)


Input Standards

Required if applicable/Optional
1st Indicator  Undefined
blank character Undefined
2nd Indicator  Undefined
blank character Undefined
Subfields (R=Repeatable  NR=Nonrepeatable) Input Standards
‡a Form of work (R) Required if applicable/Required if applicable
‡0 Authority record control number (R) Optional/Optional
‡2 Source of term (NR) Required if applicable/Optional


A class or genre to which a work belongs. May be used to differentiate a work from another work with the same title.

Multiple forms of work from the same source vocabulary may be recorded in the same field in separate occurrences of subfield ‡a (Form of work). Terms from different source vocabularies are recorded in separate occurrences of the field.

1st Indicator

Undefined. The 1st indicator position is undefined and contains a blank ( blank character ).

blank character


2nd Indicator

Undefined. The 2nd indicator position is undefined and contains a blank ( blank character ).

blank character



‡a Form of work

A term expressing the class or genre of the work.

100 1   Wilder, Thornton, ‡d 1897-1975.
240 1 0 Our town
380     Play
130 0   Cinderella (Choreographic work)
380     Choreographic work
130 0   War of the worlds (Television program)
380     Television program
‡0 Authority record control number

System control number of the related authority record preceded by the MARC code, enclosed in parentheses, for the agency to which the control number applies. For a listing of sources used in MARC 21 records, see the MARC Code List for Organizations ( Local authority identifiers may be entered in subfield ‡0 locally, but should not be added to master records in WorldCat.

‡2 Source of term

MARC code that identifies the source of the term in subfield ‡a when from a controlled list. See Subject Heading and Term Source Codes (

380     Superhero comic books, strips, etc. ‡2 lcsh
380     Mystery comic books, strips, etc. ‡2 gsafd

This page last revised: September 4, 2015